AFLAGS += $(ARCH_INCLUDE)
-USER_CFLAGS := $(patsubst -I%,,$(CFLAGS))
-USER_CFLAGS := $(patsubst -D__KERNEL__,,$(USER_CFLAGS)) $(ARCH_INCLUDE) \
- $(MODE_INCLUDE) -D_FILE_OFFSET_BITS=64
+USER_CFLAGS = $(patsubst $(KERNEL_DEFINES),,$(patsubst -D__KERNEL__,,\
+ $(patsubst -I%,,$(CFLAGS)))) $(ARCH_INCLUDE) $(MODE_INCLUDE) \
+ -D_FILE_OFFSET_BITS=64
+
+include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
+
+#This will adjust *FLAGS accordingly to the platform.
+include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
# -Derrno=kernel_errno - This turns all kernel references to errno into
# kernel_errno to separate them from the libc errno. This allows -fno-common
# errnos.
# These apply to kernelspace only.
-CFLAGS += -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
- -Dmktime=kernel_mktime
+KERNEL_DEFINES = -Derrno=kernel_errno -Dsigprocmask=kernel_sigprocmask \
+ -Dmktime=kernel_mktime $(ARCH_KERNEL_DEFINES)
+CFLAGS += $(KERNEL_DEFINES)
CFLAGS += $(call cc-option,-fno-unit-at-a-time,)
-include $(srctree)/$(ARCH_DIR)/Makefile-$(SUBARCH)
-
-#This will adjust *FLAGS accordingly to the platform.
-include $(srctree)/$(ARCH_DIR)/Makefile-os-$(OS)
-
# These are needed for clean and mrproper, since in that case .config is not
# included; the values here are meaningless
all: linux
linux: vmlinux
- ln -f $< $@
+ @echo ' LINK $@'
+ $(Q)ln -f $< $@
define archhelp
echo '* linux - Binary kernel image (./linux) - for backward'
echo ' compatibility only, this creates a hard link to the'
- echo ' real kernel binary, the the "vmlinux" binary you'
+ echo ' real kernel binary, the "vmlinux" binary you'
echo ' find in the kernel root.'
endef
LINK-$(CONFIG_LD_SCRIPT_STATIC) += -static
LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib
+CFLAGS_NO_HARDENING := $(call cc-option, -fno-PIC,) $(call cc-option, -fno-pic,) \
+ $(call cc-option, -fno-stack-protector,) \
+ $(call cc-option, -fno-stack-protector-all,)
+
CPP_MODE-$(CONFIG_MODE_TT) := -DMODE_TT
CONFIG_KERNEL_STACK_ORDER ?= 2
STACK_SIZE := $(shell echo $$[ 4096 * (1 << $(CONFIG_KERNEL_STACK_ORDER)) ] )
$(SYMLINK_HEADERS):
@echo ' SYMLINK $@'
ifneq ($(KBUILD_SRC),)
+ $(Q)mkdir -p $(objtree)/include/asm-um
$(Q)ln -fsn $(srctree)/include/asm-um/$(basename $(notdir $@))-$(SUBARCH)$(suffix $@) $@
else
$(Q)cd $(TOPDIR)/$(dir $@) ; \
include/asm-um/arch:
@echo ' SYMLINK $@'
ifneq ($(KBUILD_SRC),)
- $(Q)mkdir -p include/asm-um
+ $(Q)mkdir -p $(objtree)/include/asm-um
$(Q)ln -fsn $(srctree)/include/asm-$(SUBARCH) include/asm-um/arch
else
$(Q)cd $(TOPDIR)/include/asm-um && ln -sf ../asm-$(SUBARCH) arch
$(ARCH_DIR)/include/uml-config.h : include/linux/autoconf.h
$(call filechk,umlconfig)
-$(ARCH_DIR)/user-offsets.s: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.c
- $(CC) $(USER_CFLAGS) -S -o $@ $<
+$(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s: FORCE
+ $(Q)$(MAKE) $(build)=$(ARCH_DIR)/sys-$(SUBARCH) $@
define filechk_gen-asm-offsets
(set -e; \
echo ""; )
endef
-$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/user-offsets.s
+$(ARCH_DIR)/include/user_constants.h: $(ARCH_DIR)/sys-$(SUBARCH)/user-offsets.s
$(call filechk,gen-asm-offsets)
-CLEAN_FILES += $(ARCH_DIR)/user-offsets.s
-
$(ARCH_DIR)/include/kern_constants.h: $(objtree)/$(ARCH_DIR)/include
@echo ' SYMLINK $@'
- $(Q) ln -sf ../../../include/asm-um/asm-offsets.h $@
+ $(Q)ln -sf ../../../include/asm-um/asm-offsets.h $@
-export SUBARCH USER_CFLAGS OS
+export SUBARCH USER_CFLAGS CFLAGS_NO_HARDENING OS